Graph Cubic Polynomial with Local Maximum and Minimum IGCSE

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Consider the function f(x)=x^3-4x^2+x+6,-2≤x≤4
a. Find turning points and classify them as local maximum and minimum of f(x)
b. Draw the graph of f(x).
c. k is an integer for which the equation f(x) = k, has exactly three solutions. Use the graph to find all possible values of k. #GCSE #SAT #EQAO #IBSLmath #graph_equation_relation #GCSE_functions #Precalculus_anilkumar
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Very detailed, worked-through solutions. Thank you sir

quax